{"uid":"cap_r5N8ffcHWigG-BaX0-7xP","slug":"agentrxi-verifiable-random-number-generator-98457e66","name":"AgentRXI Verifiable Random Number Generator","description":"Verifiable random numbers from the drand public beacon (League of Entropy): numbers in a range, or a fair shuffle and pick of your items, with the beacon round so anyone can re-check the result.","url":"https://agentrxi.com/v1/random?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"max":{"type":"integer"},"min":{"type":"integer"},"salt":{"type":"string"},"count":{"type":"integer"},"items":{"type":"string","description":"| separated items to shuffle or pick from"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vc8hkiOT-fcVq6JqxqzAu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates verifiable random numbers or fair shuffles/picks using the drand public beacon (League of Entropy), with a beacon round ID for independent verification.","exampleAgentPrompt":"Pick a random winner from this list of contestants — Alice, Bob, Carol, Dave, Eve — using a publicly verifiable random source so anyone can check the result was fair.","exampleUseCases":[{"title":"Giveaway winner selection","prompt":"I have 8 entrants in my giveaway: Sarah, Mike, Jordan, Priya, Tom, Lena, Carlos, Yuki — randomly pick 1 winner using a verifiable beacon so I can prove the draw was fair."},{"title":"Random number for board game","prompt":"Roll me a fair random number between 1 and 20 that I can verify wasn't rigged — like a provable dice roll for our online game."},{"title":"Shuffling a playlist or task list","prompt":"Shuffle this list of tasks for me in a provably fair order: 'Write report|Review PRs|Update docs|Send invoices|Team standup' — I want to be able to verify the shuffle was random."}],"resultDescription":"Returns one or more random numbers within the specified range, or a shuffled/picked subset of the provided items, along with the drand beacon round number so any third party can independently re-verify the randomness source.","failureModes":["Missing required 'type' or 'method' fields returns a validation error","Items string not pipe-separated may result in incorrect parsing","Count exceeding available items in pick mode may return an error","drand beacon temporarily unreachable causes a service error","Invalid min/max range (min >= max) returns a validation error"],"whenToPreferThis":"Choose this endpoint when auditability and provable fairness are important — e.g., public giveaways, lotteries, or game mechanics where participants need to verify the random outcome independently. It is superior to pseudo-random alternatives when you need a beacon round ID to prove the result was not manipulated. Prefer over local RNG when a third-party verifiable source is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T06:39:23.471Z","isFirstParty":false,"canonicalSlug":"agentrxi-verifiable-random-number-generator-98457e66"}